diff --git a/package.json b/package.json
index 9498c9a..e0bf1ff 100644
--- a/package.json
+++ b/package.json
@@ -24,7 +24,7 @@
   },
   "dependencies": {
     "cross-env": "5.2.0",
-    "prettier": "1.16.4",
+    "prettier": "1.17.1",
     "ts-node": "8.0.3",
     "typescript": "3.4.3"
   },
diff --git a/yarn.lock b/yarn.lock
index daa3b80..60dd416 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -6735,10 +6735,10 @@ preserve@^0.2.0:
   resolved "https://registry.npmjs.org/preserve/-/preserve-0.2.0.tgz#815ed1f6ebc65926f865b310c0713bcb3315ce4b"
   integrity sha1-gV7R9uvGWSb4ZbMQwHE7yzMVzks=
 
-prettier@1.16.4:
-  version "1.16.4"
-  resolved "https://registry.npmjs.org/prettier/-/prettier-1.16.4.tgz#73e37e73e018ad2db9c76742e2647e21790c9717"
-  integrity sha512-ZzWuos7TI5CKUeQAtFd6Zhm2s6EpAD/ZLApIhsF9pRvRtM1RFo61dM/4MSRUA0SuLugA/zgrZD8m0BaY46Og7g==
+prettier@1.17.1:
+  version "1.17.1"
+  resolved "https://registry.yarnpkg.com/prettier/-/prettier-1.17.1.tgz#ed64b4e93e370cb8a25b9ef7fef3e4fd1c0995db"
+  integrity sha512-TzGRNvuUSmPgwivDqkZ9tM/qTGW9hqDKWOE9YHiyQdixlKbv7kvEqsmDPrcHJTKwthU774TQwZXVtaQ/mMsvjg==
 
 pretty-bytes@^3.0.0:
   version "3.0.1"